{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "patch vulnerability", "arguments": ["releaser", "common vulnerabilities and exposures", "vulnerable system", "time", "supported platform", "vulnerable system version", "patch", "vulnerability", "issues addressed", "patch number"]}], "input": "Security researchers at Preempt say they discovered and disclosed this vulnerability to Microsoft last August , and Microsoft has been working since then to create the patch released this week ."}
{"patch vulnerability": [{"releaser": "NAN", "common vulnerabilities and exposures": "NAN", "vulnerable system": "NAN", "time": "this week", "supported platform": "NAN", "vulnerable system version": "NAN", "patch": "NAN", "vulnerability": "NAN", "issues addressed": "NAN", "patch number": "NAN"}]}